<template>
  <div class="fullscreen">
    <i :class="[isFullscreen ? 'icon-suoxiao' : 'icon-fangda']" class="toolBar-icon iconfont" @click="handleFullScreen"></i>
  </div>
</template>

<script setup lang="ts">
import { onMounted, ref } from "vue";
import { ElMessage } from "element-plus";
import screenfull from "screenfull";

const isFullscreen = ref(screenfull.isFullscreen);

onMounted(() => {
  screenfull.on("change", () => {
    if (screenfull.isFullscreen) {
      isFullscreen.value = true;
    } else {
      isFullscreen.value = false;
    }
  });
});

function handleFullScreen() {
  if (!screenfull.isEnabled) {
    ElMessage.warning("当前您的浏览器不支持全屏 ❌");
  }
  screenfull.toggle();
}
</script>